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\bibitem{Guerrero_etal2022} Guerrero, M., Olmo, G. J., Rubiera-Garcia, D., \& Saez-Chillon Gomez, D. (2022). Multiring images of thin accretion disk of a regular naked compact object. \textit{Phys. Rev. D}, \textit{106}(4), 044070--13pp.

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